http://e-repository.perpus.iainsalatiga.ac.id/10445
http://e-repository.perpus.iainsalatiga.ac.id/10412
http://e-repository.perpus.iainsalatiga.ac.id/10285
http://e-repository.perpus.iainsalatiga.ac.id/10546
http://e-repository.perpus.iainsalatiga.ac.id/10530
http://e-repository.perpus.iainsalatiga.ac.id/9226